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Fruit and vegetable products -- Determination of benzoic acid content (benzoic acid contents greater than 200 mg per litre or per kilogram) -- Molecular absorption spectrometric method


Document Number: ISO 6560:1983
File Size: 942 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $43.00
Product Details

The method consists in extracting the acid from an acidified test portion using diethyl ether, nitrating followed by reduction and Mohler's reaction modified with hydroxylaminehydrochloride, measuring the absorbance of the red complex obtained with a suitable spectrometer. For determining lower concentrations, see ISO 5518.

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